Finding aid only for Manuscripts Small Collection 3504. Letter, 15 August 1922, of Charles A. Richardson, Assistant Geologist, Kentucky Geological Survey, to Dr. Harry B. Thomas, Horse Cave, Kentucky, regarding his recent study of the formations in Mammoth Onyx Cave, then owned by Thomas. He remarks on the “abundance of Mexican Onyx, or Onyx Marble” and the beauty of the stalactites and stalagmites. Includes a pamphlet by Leon Foster with his impressions of the cave, which was opened to the public in
Geology | Speleology | United States History
Folklife Archives, Manuscripts &, "Mammoth Onyx Cave - Relating to (SC 3504)" (2020). MSS Finding Aids. Paper 4790.